20961685260

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{23}}^1\times {\mathrm{5063209}}^1$

素因数の和:5063247

約数の個数: 72

約数和(自身を含む): 66348303840

約数和(自身を除く): 45386618580

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 23, 30, 36, 45, 46, 60, 69, 90, 92, 115, 138, 180, 207, 230, 276, 345, 414, 460, 690, 828, 1035, 1380, 2070, 4140, 5063209, 10126418, 15189627, 20252836, 25316045, 30379254, 45568881, 50632090, 60758508, 75948135, 91137762, 101264180, 116453807, 151896270, 182275524, 227844405, 232907614, 303792540, 349361421, 455688810, 465815228, 582269035, 698722842, 911377620, 1048084263, 1164538070, 1397445684, 1746807105, 2096168526, 2329076140, 3493614210, 4192337052, 5240421315, 6987228420, 10480842630, 20961685260]

約数ペア:

[(1, 20961685260), (2, 10480842630), (3, 6987228420), (4, 5240421315), (5, 4192337052), (6, 3493614210), (9, 2329076140), (10, 2096168526), (12, 1746807105), (15, 1397445684), (18, 1164538070), (20, 1048084263), (23, 911377620), (30, 698722842), (36, 582269035), (45, 465815228), (46, 455688810), (60, 349361421), (69, 303792540), (90, 232907614), (92, 227844405), (115, 182275524), (138, 151896270), (180, 116453807), (207, 101264180), (230, 91137762), (276, 75948135), (345, 60758508), (414, 50632090), (460, 45568881), (690, 30379254), (828, 25316045), (1035, 20252836), (1380, 15189627), (2070, 10126418), (4140, 5063209)]